Note : In this video when i am explaining 50 /[(s+1)(s+2)] . Since to plot bode we need corner frequency and for this we have to make N and D as 1+ s. here in D there is s+2 to make it as 1+s, we devide only (S+2) by 2 and not ( s+1) which is already in standered form . When we devide S+2 by 2 , to balance it we will divide 50 by 2 also.
When i am saying N and D divide by 2 means i am dividing only one D term which is S+2 by 2 and N value 50 by 2 only.
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